Viskon-Aire Series 440 Prefilter (2 Pocket, Tack) 4-Pack

The Viskon-Aire Series 440 Prefilter is the correct component for the following:

• Use for Side Access Housings and Standard Holding Frames

The Viskon-Aire Series 440 Prefilter, made by Viskon-Aire is constructed with a pre-filtering media on the air entry side and a high density synthetic fiber filter on the air exit side. It forms into self-supporting "V" pockets. This 2-pocket filter is constructed with a non-corrosive, welded wire frame. Each pocket is stabilized with a non-corrosive fastener to prevent over inflation of the pocket.

Viskon-Aire Series 440 Prefilter (2 Pocket, Tack) Specifications:

• 4-pack
• Saima Booth Exhaust
• Eliminates fiber migratio
• Viskon-Aire PBT-32 Tackifier
• Provides superior dust holding
• Non-shedding organic synthetic microfiber
• Layers are bonded to form a progressive density laminate

Additional Dimensions:

477-019: 16" (width)  x 24" (length) x 20" (depth) - Saima
477-020: 24" (width)  x 24" (length) x 15" (depth)
477-021: 20" (width)  x 24" (length) x 10" (depth)

The Viskon-Aire Series 440 Prefilter has a wire frame that should be 11 gauge galvanized steel to be formed to have rounded corners. The final filter layer provides a non-migrating encapsulating tackifier to ensure positive dust holding capacity.

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